pixTimestamp -> txId

bbpay.py

@@ -8,6 +8,7 @@ from flask_restful import Resource, Api
 from eth_abi.packed import encode_packed
 import eth_account
 from eth_hash.auto import keccak
+from base64 import b85decode
 from urllib3 import disable_warnings
 from eth_utils import to_wei
 
@@ -110,20 +111,20 @@ class Release(BBPay):
             verify=self.verify_ssl)
         data = response.json()
         numeroParticipante = data['repasse']['recebedores'][0]['identificadorRecebedor']
-        pixTimestamp = data['timestampCriacaoSolicitacao']
+        pixTimestamp = b85decode(data['informacoesPix']['txId'])
         valorSolicitacao = to_wei(data['valorSolicitacao'], 'ether')
         codigoEstadoSolicitacao = data['codigoEstadoSolicitacao']
         if codigoEstadoSolicitacao != 0:
             return 'Pix not paid', 204
         packed = encode_packed(['bytes32','uint80','bytes32'], 
-            (str(numeroParticipante).encode(), int(valorSolicitacao), pixTimestamp.encode()) )
+            (str(numeroParticipante).encode(), int(valorSolicitacao), pixTimestamp) )
         
         signable = eth_account.messages.encode_defunct(keccak(packed))
         signature = eth_account.account.Account.sign_message(signable, private_key=getenv('PRIVATE_KEY')).signature.hex()
         return {
             'pixTarget': numeroParticipante,
             'amount': valorSolicitacao,
-            'pixTimestamp': pixTimestamp,
+            'pixTimestamp': pixTimestamp.hex(),
             'signature': signature }